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A recent market study produced the following data on education level by gender:
Education Level Male Female TOTAL
Up to High School 250 350 600
College or U Grad 460 540 1000
Postgraduate 65 85 150
TOTAL 775 975 1750
We want to determine if education level is independent of gender.
1. State the null and alternative hypotheses for a contingency table test if we want to determine if education level is independent of gender?
2. State the rejection rule for the critical value approach. Let alpha = 0.01?
3. Calculate the expected frequency for the cell "Postgraduate" and "Female" ?
4. If the Chi Square statistic is 2.914 what is your conclusion?
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